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bruteforce: Fix out-of-domain input handling in bruteforce (#699)

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Cast input array to floats before setting NANs which are also floats to
prevent large nonsensical numbers outside of the valid domains of
several math functions from being tested.

Khronos Bug: https://github.com/KhronosGroup/OpenCL-CTS/issues/491

Test Suite Affected: bruteforce Subtests: sin, cos, sincos, reciprocal

Change-Id: Ie029837f4f9dfc73d6a9c356b73158e2ad41b871
This commit is contained in:
Sreelakshmi Haridas Maruthur
2020-09-06 01:57:27 -06:00
committed by GitHub
parent ab106e97f9
commit 6b1e61f9de
2 changed files with 10 additions and 8 deletions
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12
test_conformance/math_brute_force/unary.cpp
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@@ -506,14 +506,18 @@ static cl_int TestFloat( cl_uint job_id, cl_uint thread_id, void *data )
float p_j = *(float *) &p[j];
if ( strcmp(fname,"sin")==0 || strcmp(fname,"cos")==0 ) //the domain of the function is [-pi,pi]
{
if( fabs(p_j) > M_PI )
p[j] = NAN;
if (fabs(p_j) > M_PI) ((float *)p)[j] = NAN;
}
if ( strcmp( fname, "reciprocal" ) == 0 )
{
if( fabs(p_j) > 0x7E800000 ) //the domain of the function is [2^-126,2^126]
p[j] = NAN;
const float l_limit = HEX_FLT(+, 1, 0, -, 126);
const float u_limit = HEX_FLT(+, 1, 0, +, 126);
if (fabs(p_j) < l_limit
|| fabs(p_j)
> u_limit) // the domain of the function is [2^-126,2^126]
((float *)p)[j] = NAN;
}
}
}

6
test_conformance/math_brute_force/unary_two_results.cpp
View File

@@ -239,8 +239,7 @@ int TestFunc_Float2_Float(const Func *f, MTdata d, bool relaxedMode)
if (relaxedMode && strcmp(f->name, "sincos") == 0)
{
float pj = *(float *)&p[j];
if(fabs(pj) > M_PI)
p[j] = NAN;
if (fabs(pj) > M_PI) ((float *)p)[j] = NAN;
}
}
}
@@ -252,8 +251,7 @@ int TestFunc_Float2_Float(const Func *f, MTdata d, bool relaxedMode)
if (relaxedMode && strcmp(f->name, "sincos") == 0)
{
float pj = *(float *)&p[j];
if(fabs(pj) > M_PI)
p[j] = NAN;
if (fabs(pj) > M_PI) ((float *)p)[j] = NAN;
}
}
}